# Subtract 10 from Multiples of 10 - Lesson for Grade 1, Chapter - Addition and Subtraction 20-100

In this lesson, "Subtract 10 from Multiples of 10," first-grade students will engage in understanding and practicing the concept of subtraction within the range of 20 to 100, specifically focusing on subtracting tens. This lesson is a crucial part of the "Foundations in Operations Within 100" unit where students build their arithmetic skills, which are fundamental in everyday mathematics and a cornerstone of their mathematical journey.

Through a variety of engaging activities such as the "Subtracting Tens Worksheet," "Daisy Subtraction Quest Worksheet," "Subtract Tens: Spooky Math Worksheet," and exercises on "Mental Math: Adding and Subtracting 10," students will learn the efficient strategy of subtracting multiples of 10. This skill not only enhances their ability to manipulate numbers mentally but also lays the groundwork for understanding place value and the base-10 system more deeply.

Understanding how to subtract 10 from multiples of 10 is important because it aids in the development of mental math skills, enables quicker calculation, and helps in the comprehension of more complex mathematical concepts in the future. By mastering this skill, students will gain confidence in their mathematical abilities and be better prepared for higher-level arithmetic operations.

Estimated classroom time: 13 min
Unit: Foundations in Operations Within 100
Click on any activity below to start learning.
1st
3:00 min
Subtracting Tens Worksheet
worksheet
2nd
3:00 min
Daisy Subtraction Quest Worksheet
worksheet
3rd
3:00 min
Subtract Tens: Spooky Math Worksheet
worksheet
4th
4:00 min
Mental Math: Adding and Subtracting 10
Quiz
Share your lesson with students by clicking:
• ### Activity 1 / Subtracting Tens Worksheet

Having base ten blocks for representation will allow your little learners to start making concrete mathematical reasoning and number sense connections. With these brightly colored tens blocks, this free downloadable worksheet will strengthen your child's skills using tens as a strategy when subtracting and being able to skip count back for more automaticity with higher level math problems to come.

• ### Activity 2 / Daisy Subtraction Quest Worksheet

Ohh-la-la! These gorgeous daisies aren't your typical flowers! No, they're each designed with ten pretty petals, just so your little math learners can use tens to find number sentences where the difference of the equation is 20. This free worksheet is full of bright colors for engagement and easy-to-solve problems that will help strengthen math automaticity and confidence.

• ### Activity 3 / Subtract Tens: Spooky Math Worksheet

There's nothing scary about being able to solve these math equations because your mathematician will be a hero as they solve the problems and help the boy get out of the haunted house! They'll use number families and if/then statements to increase understanding and automaticity and they'll have so much fun with the fun graphics, they won't even know they're doing math—they'll just think they're having fun!

• ### Activity 4 / Mental Math: Adding and Subtracting 10 - Quiz

This quiz assesses students’ ability to use their mental math to add and subtract 10 from multiples.